HCD-DR4, HCD-DR440, HCD-DR5, HCD-DR6, HCD-W300, HCD-W5000, HCD-XB500 - Sony Audio Service Manual (repair manual). Page 5

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7-16. Schematic Diagram – Power (1/2) Section –

(W300, W5000, XB500 model) ....................................... 63

7-17. Schematic Diagram – Power (2/2) Section –

(W300, W5000, XB500 model) ....................................... 65

7-18. Printed Wiring Board – Power Section –

(W300, W5000, XB500 model) ....................................... 67

7-19. Schematic Diagram – Panel FL Section – ........................ 69
7-20. Printed Wiring Board – Panel FL Section – ..................... 71
7-21. Schematic Diagram – Panel VR Section – ....................... 73
7-22. Printed Wiring Board – Panel VR Section – .................... 75
7-23. Schematic Diagram – TC Panel Section – ....................... 77
7-24. Printed Wiring Board – TC Panel Section – ..................... 79
7-25. Schematic Diagram – CD Panel Section – ....................... 81
7-26. Printed Wiring Board – CD Panel Section – .................... 83
7-27. Schematic Diagram – CD Motor Section – ...................... 85
7-28. Printed Wiring Board – CD Motor Section – ................... 87
7-29. Schematic Diagram – Jack Section – ............................... 89
7-30. Printed Wiring Board – Jack Section – ............................ 91
7-31. Schematic Diagram – Trans Section –

(W300, W5000, XB500 model) ....................................... 93

7-32. Printed Wiring Board – Trans Section –

(W300, W5000, XB500 model) ....................................... 95

7-33. Schematic Diagram – Trans Section –

(DR4, DR5, DR6, DR440 model) .................................... 97

7-34. Printed Wiring Board – Trans Section –

(DR4, DR5, DR6, DR440 model) .................................... 99

7-35. Schematic Diagram – Leaf SW Section – ...................... 100
7-36. Printed Wiring Board – Leaf SW Section – ................... 100
7-37. IC Block Diagrams ......................................................... 101
7-38. IC Pin Functions ............................................................. 102

8-1. Case and Back Panel Section ............................................ 105
8-2. Front Panel Section 1 ........................................................ 106
8-3. Front Panel Section 2 ........................................................ 107
8-4. Chassis Section ................................................................. 108
8-5. TC Mechanism Section 1 (TCM230AWR2/230PWR2) ... 109
8-6. TC Mechanism Section 2 (TCM230AWR2/230PWR2) ... 110
8-7. CD Mechanism Section (CDM37M-5BD32L) ................. 111
8-8. Base Unit Section (BU-5BD32L) ..................................... 112

...................................... 113

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6

3-1. Front Panel ............................................................................ 8
3-2. Main Board ........................................................................... 8
3-3. Sub Panel .............................................................................. 9
3-4. CD-L/CD-R Board and CD LID Assembly .......................... 9
3-5. Tape Mechanism Deck and Cassette LID ........................... 10
3-6. CD Mechanism Deck .......................................................... 10
3-7. Base Unit ............................................................................. 10
3-8. Disc Table ........................................................................... 11

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16

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7-1. Circuit Boards Location ...................................................... 20
7-2. Block Diagrams

• BD (CD) Section .............................................................. 21
• Deck Section .................................................................... 23
• Main (1/2) Section ........................................................... 25
• Main (2/2) Section ........................................................... 27
• Power Section (DR4, DR5, DR6, DR440 model) ........... 29
• Power Section (W300, W5000, XB500 model) ............... 31
• Display Section ................................................................ 33

7-3. Printed Wiring Board – BD (CD) Section – ....................... 37
7-4. Schematic Diagram – BD (CD) Section – .......................... 39
7-5. Printed Wiring Board – Main Section – .............................. 41
7-6. Schematic Diagram – Main (1/5) Section – ........................ 43
7-7. Schematic Diagram – Main (2/5) Section – ........................ 45
7-8. Schematic Diagram – Main (3/5) Section – ........................ 47
7-9. Schematic Diagram – Main (4/5) Section – ........................ 49
7-10. Schematic Diagram – Main (5/5) Section – ..................... 51
7-11. Schematic Diagram – Deck Section – .............................. 53
7-12. Printed Wiring Board – Deck Section – ........................... 55
7-13. Schematic Diagram – Power (1/2) Section –

(DR4, DR5, DR6, DR440 model) .................................... 57

7-14. Schematic Diagram – Power (2/2) Section –

(DR4, DR5, DR6, DR440 model) .................................... 59

7-15. Printed Wiring Board – Power Section –

(DR4, DR5, DR6, DR440 model) .................................... 61